답안 #1056385

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1056385	2024-08-13T09:08:50 Z	jcelin	가장 긴 여행 (IOI23_longesttrip)	C++17	100 / 100	11 ms	600 KB

longesttrip

#include <bits/stdc++.h>
#include "longesttrip.h"
using namespace std;

typedef long long ll;

typedef pair<int,int> ii;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<ii> vii;
typedef vector<ll> vll;
typedef vector<pll> vpll;

#define PB push_back
#define PF push_front
#define PPB pop_back
#define PPF pop_front
#define X first
#define Y second
#define MP make_pair
#define all(x) (x).begin(), (x).end()

const int mod = 1e9 + 7; //998244353;
const int inf = 1e9 + 7;
const ll INF = 1e18 + 7;
const int logo = 20;
const int MAXN = 1e6 + 7;
const int off = 1 << logo;
const int trsz = off << 1;
const int dx[] = {1, -1, 0, 0};
const int dy[] = {0, 0, -1, 1};


void nadi(vi &a, vi b){
	int lo = 0, hi = (int)a.size() - 1, ret = -1;
	while(lo <= hi){
		int mid = (lo + hi) / 2;
		vi vec;
		for(int i=0; i<=mid; i++) vec.PB(a[i]);
		if(are_connected(vec, b)) ret = mid, hi = mid - 1;
		else lo = mid + 1;
	}
	
	int vl = a[ret];
	while(a.back() != vl){
		int x = a.back();
		a.PPB();
		reverse(all(a));
		a.PB(x);
		reverse(all(a));
	}
}

vi longest_trip(int n, int d){
	vi a = {0}, b = {1};
	
	vi arr;
	for(int i=2; i<n; i++) arr.PB(i);
	shuffle(all(arr), mt19937(time(0)));
	bool nula = 0;
	for(int j=2; j<n; j++){
		int i = arr[j - 2];
		if(are_connected({a.back()}, {i})){
			a.PB(i);
			nula = 0;
			continue;
		}
		
		if(nula or are_connected({b.back()}, {i})){
			b.PB(i);
			nula = 1;
			continue;
		}
		
		while(b.size()) a.PB(b.back()), b.PPB();
		b.PB(i);
	}
	if(a.size() < b.size()) swap(a, b);
	if(!are_connected(a, b)) return a;
	
	if(are_connected({a.front()}, {b.front()})){
		reverse(all(a));
		reverse(all(b));
		while(b.size()) a.PB(b.back()), b.PPB();
		return a;
	}
	
	if(are_connected({a.front()}, {b.back()})){
		reverse(all(a));
		while(b.size()) a.PB(b.back()), b.PPB();
		return a;
	}
	
	if(are_connected({a.back()}, {b.back()})){
		while(b.size()) a.PB(b.back()), b.PPB();
		return a;
	}
	
	
	nadi(b, a);
	nadi(a, {b.back()});
	while(b.size()) a.PB(b.back()), b.PPB();
	return a;
}

Subtask #0

0.0 / 0.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	1 ms	344 KB	Output is correct

Subtask #1

5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	344 KB	Output is correct
2	Correct	7 ms	344 KB	Output is correct
3	Correct	5 ms	344 KB	Output is correct
4	Correct	5 ms	344 KB	Output is correct
5	Correct	4 ms	344 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	344 KB	Output is correct
2	Correct	4 ms	344 KB	Output is correct
3	Correct	4 ms	344 KB	Output is correct
4	Correct	4 ms	344 KB	Output is correct
5	Correct	4 ms	344 KB	Output is correct
6	Correct	10 ms	344 KB	Output is correct
7	Correct	7 ms	344 KB	Output is correct
8	Correct	4 ms	344 KB	Output is correct
9	Correct	4 ms	344 KB	Output is correct
10	Correct	5 ms	344 KB	Output is correct
11	Correct	5 ms	344 KB	Output is correct
12	Correct	6 ms	344 KB	Output is correct
13	Correct	4 ms	344 KB	Output is correct

Subtask #3

25.0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	344 KB	Output is correct
2	Correct	5 ms	344 KB	Output is correct
3	Correct	5 ms	344 KB	Output is correct
4	Correct	6 ms	344 KB	Output is correct
5	Correct	4 ms	344 KB	Output is correct
6	Correct	7 ms	344 KB	Output is correct
7	Correct	6 ms	344 KB	Output is correct
8	Correct	5 ms	344 KB	Output is correct
9	Correct	4 ms	340 KB	Output is correct
10	Correct	4 ms	344 KB	Output is correct
11	Correct	4 ms	344 KB	Output is correct
12	Correct	4 ms	344 KB	Output is correct
13	Correct	4 ms	344 KB	Output is correct
14	Correct	6 ms	344 KB	Output is correct
15	Correct	6 ms	344 KB	Output is correct
16	Correct	6 ms	344 KB	Output is correct
17	Correct	5 ms	344 KB	Output is correct
18	Correct	5 ms	344 KB	Output is correct
19	Correct	5 ms	428 KB	Output is correct
20	Correct	6 ms	344 KB	Output is correct
21	Correct	5 ms	344 KB	Output is correct
22	Correct	5 ms	444 KB	Output is correct
23	Correct	3 ms	344 KB	Output is correct
24	Correct	5 ms	344 KB	Output is correct
25	Correct	5 ms	344 KB	Output is correct
26	Correct	8 ms	344 KB	Output is correct
27	Correct	5 ms	344 KB	Output is correct
28	Correct	5 ms	344 KB	Output is correct
29	Correct	5 ms	344 KB	Output is correct
30	Correct	6 ms	344 KB	Output is correct
31	Correct	5 ms	344 KB	Output is correct
32	Correct	5 ms	344 KB	Output is correct
33	Correct	5 ms	344 KB	Output is correct
34	Correct	4 ms	344 KB	Output is correct
35	Correct	6 ms	344 KB	Output is correct
36	Correct	4 ms	344 KB	Output is correct
37	Correct	6 ms	344 KB	Output is correct
38	Correct	8 ms	344 KB	Output is correct
39	Correct	8 ms	344 KB	Output is correct
40	Correct	7 ms	344 KB	Output is correct
41	Correct	5 ms	344 KB	Output is correct
42	Correct	6 ms	344 KB	Output is correct
43	Correct	6 ms	344 KB	Output is correct
44	Correct	5 ms	344 KB	Output is correct
45	Correct	7 ms	344 KB	Output is correct
46	Correct	8 ms	344 KB	Output is correct
47	Correct	6 ms	344 KB	Output is correct
48	Correct	7 ms	344 KB	Output is correct
49	Correct	7 ms	344 KB	Output is correct
50	Correct	7 ms	344 KB	Output is correct
51	Correct	6 ms	344 KB	Output is correct
52	Correct	5 ms	344 KB	Output is correct
53	Correct	5 ms	344 KB	Output is correct
54	Correct	5 ms	440 KB	Output is correct
55	Correct	6 ms	344 KB	Output is correct
56	Correct	5 ms	444 KB	Output is correct
57	Correct	5 ms	344 KB	Output is correct
58	Correct	6 ms	344 KB	Output is correct
59	Correct	6 ms	452 KB	Output is correct
60	Correct	6 ms	344 KB	Output is correct
61	Correct	5 ms	344 KB	Output is correct
62	Correct	6 ms	344 KB	Output is correct
63	Correct	6 ms	424 KB	Output is correct
64	Correct	7 ms	436 KB	Output is correct

Subtask #4

60.0 / 60.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	344 KB	Output is correct
2	Correct	5 ms	344 KB	Output is correct
3	Correct	4 ms	344 KB	Output is correct
4	Correct	5 ms	344 KB	Output is correct
5	Correct	4 ms	344 KB	Output is correct
6	Correct	9 ms	344 KB	Output is correct
7	Correct	5 ms	344 KB	Output is correct
8	Correct	3 ms	344 KB	Output is correct
9	Correct	6 ms	600 KB	Output is correct
10	Correct	5 ms	344 KB	Output is correct
11	Correct	4 ms	344 KB	Output is correct
12	Correct	6 ms	344 KB	Output is correct
13	Correct	5 ms	340 KB	Output is correct
14	Correct	6 ms	344 KB	Output is correct
15	Correct	7 ms	344 KB	Output is correct
16	Correct	7 ms	344 KB	Output is correct
17	Correct	5 ms	344 KB	Output is correct
18	Correct	6 ms	344 KB	Output is correct
19	Correct	6 ms	344 KB	Output is correct
20	Correct	5 ms	344 KB	Output is correct
21	Correct	6 ms	344 KB	Output is correct
22	Correct	5 ms	344 KB	Output is correct
23	Correct	5 ms	344 KB	Output is correct
24	Correct	5 ms	344 KB	Output is correct
25	Correct	8 ms	344 KB	Output is correct
26	Correct	4 ms	344 KB	Output is correct
27	Correct	7 ms	344 KB	Output is correct
28	Correct	5 ms	344 KB	Output is correct
29	Correct	3 ms	344 KB	Output is correct
30	Correct	4 ms	344 KB	Output is correct
31	Correct	6 ms	344 KB	Output is correct
32	Correct	8 ms	344 KB	Output is correct
33	Correct	11 ms	344 KB	Output is correct
34	Correct	7 ms	344 KB	Output is correct
35	Correct	7 ms	344 KB	Output is correct
36	Correct	7 ms	344 KB	Output is correct
37	Correct	6 ms	344 KB	Output is correct
38	Correct	6 ms	344 KB	Output is correct
39	Correct	7 ms	344 KB	Output is correct
40	Correct	7 ms	440 KB	Output is correct
41	Correct	5 ms	344 KB	Output is correct
42	Correct	5 ms	440 KB	Output is correct
43	Correct	5 ms	344 KB	Output is correct
44	Correct	5 ms	424 KB	Output is correct
45	Correct	5 ms	344 KB	Output is correct
46	Correct	6 ms	344 KB	Output is correct
47	Correct	5 ms	344 KB	Output is correct
48	Correct	4 ms	344 KB	Output is correct
49	Correct	5 ms	344 KB	Output is correct
50	Correct	6 ms	344 KB	Output is correct
51	Correct	5 ms	344 KB	Output is correct
52	Correct	7 ms	344 KB	Output is correct
53	Correct	6 ms	344 KB	Output is correct
54	Correct	5 ms	344 KB	Output is correct
55	Correct	5 ms	344 KB	Output is correct
56	Correct	6 ms	344 KB	Output is correct
57	Correct	5 ms	344 KB	Output is correct
58	Correct	5 ms	344 KB	Output is correct
59	Correct	4 ms	344 KB	Output is correct
60	Correct	6 ms	424 KB	Output is correct
61	Correct	5 ms	344 KB	Output is correct
62	Correct	6 ms	428 KB	Output is correct
63	Correct	5 ms	600 KB	Output is correct
64	Correct	5 ms	344 KB	Output is correct
65	Correct	6 ms	444 KB	Output is correct
66	Correct	7 ms	596 KB	Output is correct
67	Correct	4 ms	344 KB	Output is correct
68	Correct	6 ms	344 KB	Output is correct
69	Correct	6 ms	344 KB	Output is correct
70	Correct	6 ms	448 KB	Output is correct
71	Correct	4 ms	344 KB	Output is correct
72	Correct	5 ms	344 KB	Output is correct
73	Correct	8 ms	344 KB	Output is correct
74	Correct	7 ms	344 KB	Output is correct
75	Correct	6 ms	432 KB	Output is correct
76	Correct	6 ms	452 KB	Output is correct
77	Correct	5 ms	344 KB	Output is correct
78	Correct	8 ms	344 KB	Output is correct
79	Correct	6 ms	448 KB	Output is correct
80	Correct	6 ms	344 KB	Output is correct
81	Correct	6 ms	344 KB	Output is correct
82	Correct	6 ms	344 KB	Output is correct